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Arihangdu
 one year ago
How to calculate oxidation number of chlorine in Al(ClO4)3
Arihangdu
 one year ago
How to calculate oxidation number of chlorine in Al(ClO4)3

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Zale101
 one year ago
Best ResponseYou've already chosen the best response.1What is the overall charge of perchlorate?

Zale101
 one year ago
Best ResponseYou've already chosen the best response.1the overall charge of perchlorate is 1

Zale101
 one year ago
Best ResponseYou've already chosen the best response.1what about oxygen, what is the charge of it?

Zale101
 one year ago
Best ResponseYou've already chosen the best response.1Correct. How many oxygen atoms are there?

Arihangdu
 one year ago
Best ResponseYou've already chosen the best response.0Questions is what is the oxidation number of in Al(ClO4)3 ?

Zale101
 one year ago
Best ResponseYou've already chosen the best response.1Correct. So Oxygen has 12 atoms and 2 charge Chlorine has 3 atoms. Al has a charge of +3 and it has only one atom The overall charge of a compound has to equal to zero. That means, the information that we know can be applied as \(+3+3\color{red}{x}+(2)(12)=0\) The x in red means that we don't know the charge of chlorine but we know it has 3 atoms.

Arihangdu
 one year ago
Best ResponseYou've already chosen the best response.0Value of x is chlorine fight?

Zale101
 one year ago
Best ResponseYou've already chosen the best response.1The value of x is the chlorine's oxidation number.

whpalmer4
 one year ago
Best ResponseYou've already chosen the best response.0A shortcut would be to note that if we have \(\text{Al}^{3+}\) and 3 perchlorate ions, each one of the perchlorate ions must have a net charge of \(1\). Knowing that the oxygen atoms each have a charge of \(2\), \[1 = Cl + 4 * O\]\[1 = Cl + 4*(2)\]\[1 = Cl 8\]\[7 = Cl\] so our chlorine oxidation number is +7.
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